com.saxonica.xsltextn

## Interface ExtensionElementFactory

- All Known Implementing Classes:
    SaxonElementFactory, SQLElementFactory

      public interface ExtensionElementFactory

  Interface ExtensionElementFactory.

  A "Factory" for user-defined nodes in the stylesheet tree.

  (Actually, it's not strictly a factory: it doesn't create the nodes, it merely identifies what class they should be.)

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `Class<? extends StyleElement>` | `getExtensionClass(String localname)` Identify the class to be used for stylesheet elements with a given local name.

- - ### Method Detail

    - #### getExtensionClass

          Class<? extends StyleElement> getExtensionClass(String localname)

      Identify the class to be used for stylesheet elements with a given local name. The returned class must extend `StyleElement`, and it must have a zero-argument public constructor.
      Returns:
        null if the local name is not a recognised element type in this namespace.

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